AdonisJS vs Vapor
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
A TypeScript web framework for building web apps and API servers on Node.js.
Open source · MIT
A web framework for building websites and APIs in the Swift programming language.
The short answer
Choose AdonisJS if you need…
- Developers who want a structured, batteries-included framework on Node.js
- TypeScript developers building full-stack web apps
- Teams building API servers or microservices who want an opinionated MVC layout
- Developers who want official packages that work together
Choose Vapor if you need…
- Swift developers who want to build backend services in the same language as their iOS or macOS apps
- Teams building JSON APIs or web backends who already work in Swift
- Developers interested in server-side Swift who want a widely used, community-backed framework
Side-by-side
| AdonisJS | Vapor | |
|---|---|---|
| Type | Library | Library |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 19.2k | 26.2k |
| Setup difficulty | Intermediate | Intermediate |
| How you get it | Install with a package manager | Clone and build from source |
| Main language | TypeScript | Swift |
| Last code update | 6 days ago | 4 days ago |
What each one is
AdonisJS
AdonisJS is a full-stack MVC web framework for Node.js, written in TypeScript. It provides a structured set of tools for building web applications and API servers, including testing support and an ecosystem of official packages. The README describes its focus as ergonomics and speed, with the aim of handling common web development chores so developers can work from a consistent API.
Vapor
Vapor is an HTTP web framework for Swift, the language Apple created. It gives developers a foundation for building websites, APIs, and cloud services that run on the server rather than on a user's device. The README describes it as aiming to be expressive and easy to use.
Best for
AdonisJS
- Developers who want a structured, batteries-included framework on Node.js
- TypeScript developers building full-stack web apps
- Teams building API servers or microservices who want an opinionated MVC layout
- Developers who want official packages that work together
Vapor
- Swift developers who want to build backend services in the same language as their iOS or macOS apps
- Teams building JSON APIs or web backends who already work in Swift
- Developers interested in server-side Swift who want a widely used, community-backed framework
Strengths
AdonisJS
- TypeScript-first design with a documented, consistent API
- Includes testing support and modern tooling out of the box
- Maintained by an active project with a large official package ecosystem (per the description)
Vapor
- Open source under the MIT license, free to use and modify
- Actively maintained, with a recent push and a large star count on GitHub
- Has an official Discord community and documentation site linked from the README
Not ideal for
AdonisJS
- Beginners with no JavaScript or Node.js experience, since the framework assumes familiarity with TypeScript and MVC concepts
- People who prefer small, minimal libraries they assemble themselves, because AdonisJS brings a larger opinionated structure
Vapor
- People with no Swift experience, since the framework assumes Swift knowledge
- Teams that need the latest stable release, because the newest listed release is a beta (5.0.0-beta.4)
- Projects that depend on a mature ecosystem of libraries in another language, such as Python or JavaScript
Trade-offs
AdonisJS
- The README is truncated and gives little detail on specific features, so the full scope is unclear from this source alone
- Being an opinionated MVC framework, it imposes a project structure that may not suit every team
Vapor
- The README lists Swift 6.0+ as a requirement, so older Swift setups will not work
- The latest release is a beta, so the API may still change before a stable version
- The README is truncated and does not show detailed setup steps, so the entry relies on limited install information
Getting started
AdonisJS
Clone the repository
git clone https://github.com/adonisjs/coreVapor
Clone the repository
git clone https://github.com/vapor/vapor.gitFrequently asked questions
What is the difference between AdonisJS and Vapor?
AdonisJS: A TypeScript web framework for building web apps and API servers on Node.js. Vapor: A web framework for building websites and APIs in the Swift programming language. AdonisJS suits developers who want a structured, batteries-included framework on node.js, while Vapor suits swift developers who want to build backend services in the same language as their ios or macos apps.
Are AdonisJS and Vapor free?
AdonisJS: Free and open source. Vapor: Free and open source.
Is AdonisJS or Vapor more popular?
Vapor has more GitHub stars (26.2k) than AdonisJS (19.2k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to AdonisJS and Vapor?
Other options people compare them with include Express, Fastify, Next.js, warp, Echo.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.